STC SA253NW
FAA DRS lists SA253NW as Current · Reissued, held by Avcon Industries Inc, for Learjet Learjet 24 and Learjet Learjet 24A. Recorded change: Installation of the Mark II performance system, including recontoured wing leading edge, recontoured flap leading edge, wing vortex generator removal, installation of wing stall strips and other minor refinements in accordance with Avcon Master Drawing List No. 1084 dated November 16, 2010, or later FAA approved revision. 350 Knot Vmo authorized if equipped in accordance with Avcon Master Drawing List No. 1084 dated November 16, 2010 or later FAA approved revision. An FAA Approved Airplane Flight Manual Supplement is required for each model. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA253NW identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Learjet Learjet 24 and Learjet Learjet 24A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related flight controls STCs
Installation of flap and aileron fairings and seals.
FAA holder: D'Shannon Products Ltd.
FAA record reference
- STC number
- SA253NW
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- March 10, 1975
- Revision date
- November 16, 2010
- CFR references
- Part 21, Part 25